package com.atguigu.rabbitmq.springbootrabbitmq.config;

import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @author gan
 * @create 2021-07-18 21:15
 *
 * TTl队列  配置文件代码
 */
@Configuration
public class TtlQueueConfig {
    //普通交换机的名称
    public static final String X_EXCHANGE = "X";

    //死信交换机的名称
    public static final String Y_DEAD_LETTER_EXCHANGE = "Y";

    //普通队列的名称
    public static final String QUEUE_A = "QA";
    public static final String QUEUE_B = "QB";

    //死信队列的名称
    public static final String DEAD_LETTER_QUEUE = "QD";

    //普通队列的名称
    public static final String QUEUE_C = "QC";

    //声明QC
    @Bean("queueC")
    public Queue queueC() {
        Map<String, Object> arguments = new HashMap<>(3);
        //设置死信交换机
        arguments.put("x-dead-letter-exchange", Y_DEAD_LETTER_EXCHANGE);

        //设置死信RoutingKey
        arguments.put("x-dead-letter-routing-key", "YD");
        return QueueBuilder.durable(QUEUE_C).withArguments(arguments).build();
    }

    @Bean
    public Binding queueCBindingX(@Qualifier("queueC") Queue queueC, @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueC).to(xExchange).with("XC");
    }

    //声明xExchange
    @Bean("xExchange")
    public DirectExchange xExchange(){
        return new DirectExchange(X_EXCHANGE);
    }

    //声明yExchange
    @Bean("yExchange")
    public DirectExchange yExchange(){
        return new DirectExchange(Y_DEAD_LETTER_EXCHANGE);
    }

    //声明普通队列TTL为IOS
    @Bean("queueA")
    public Queue queueA(){
        Map<String, Object> arguments = new HashMap<>(3);
        //设置死信交换机
        arguments.put("x-dead-letter-exchange", Y_DEAD_LETTER_EXCHANGE);

        //设置死信RoutingKey
        arguments.put("x-dead-letter-routing-key", "YD");

        //设置TTL 单位是ms
        arguments.put("x-message-ttl", 10000);

        return QueueBuilder.durable(QUEUE_A).withArguments(arguments).build();
    }

    //声明普通队列TTL为IOS
    @Bean("queueB")
    public Queue queueB(){
        Map<String, Object> arguments = new HashMap<>(3);
        //设置死信交换机
        arguments.put("x-dead-letter-exchange", Y_DEAD_LETTER_EXCHANGE);

        //设置死信RoutingKey
        arguments.put("x-dead-letter-routing-key", "YD");

        //设置TTL 单位是ms
        arguments.put("x-message-ttl", 40000);

        return QueueBuilder.durable(QUEUE_B).withArguments(arguments).build();
    }

    //死信队列
    @Bean("queueD")
    public Queue queueD(){
        return QueueBuilder.durable(DEAD_LETTER_QUEUE).build();
    }

    //绑定
    //声明队列 A 绑定 X 交换机
    @Bean
    public Binding queueABindingX(@Qualifier("queueA") Queue queueA,
                                   @Qualifier("xExchange") DirectExchange xExchange){
        //将queueA队列绑定到xExchange交换机上routingKey为XA
        return BindingBuilder.bind(queueA).to(xExchange).with("XA");
    }

    //声明队列 B 绑定 X 交换机
    @Bean
    public Binding queueBBindingX(@Qualifier("queueB") Queue queueB,
                                  @Qualifier("xExchange") DirectExchange xExchange){
        return BindingBuilder.bind(queueB).to(xExchange).with("XB");
    }

    //声明队列 D 绑定 Y 交换机
    @Bean
    public Binding queueDBindingY(@Qualifier("queueD") Queue queueD,
                                  @Qualifier("yExchange") DirectExchange yExchange){
        return BindingBuilder.bind(queueD).to(yExchange).with("YD");
    }
}
